import axios from 'axios'
import { Promise } from 'core-js'
// 导入store
import store from '@/store'
// 导入router
import router from '@/router'

// 创建axios实例
const service = axios.create({
  // 基地址
  // baseURL: 'http://ihrm.itheima.net' // 解决跨域的问题
  // baseURL: '/api'
  baseURL: process.env.VUE_APP_BASE_API // 根据不同环境自动加载不同配置
  // withCredentials: true, // send cookies when cross-domain requests
  // timeout: 5000 // request timeout
})

// 添加请求拦截器 (请求头携带token)
service.interceptors.request.use(function(config) {
  // 在发送请求之前做些什么
  const token = store.state.user.token
  // 判断有没有token 有的话就添加
  if (token) {
    config.headers.Authorization = `Bearer ${token}`
  }
  return config
}, function(error) {
  // 对请求错误做些什么
  return Promise.reject(error)
})
// 添加响应拦截器
service.interceptors.response.use(function(response) { // 此处axios改成service 因为暴露的是service
  // 对响应数据做点什么
  console.log('所有正常的响应都会经过这里', response)
  // response.data.success为false,用户名和密码错误
  if (!response.data.success) {
    return Promise.reject(response.data.message) // 主动抛出一个错误 终止执行 错误信息会被catch捕获到
  }
  return response.data // 取出响应结果,返回给服务器(类似于解构使用)
}, function(error) {
  // 对响应错误做点什么
  console.log(error)
  console.log('所有错误的响应都会经过这里', error.response)
  if (error.response.status === 401) {
    store.dispatch('user/logout')
    console.log(router)
    router.push('/login?return_url=' + encodeURIComponent(router.currentRoute.fullPath))
  }
})

// 默认导出
export default service

// import { MessageBox, Message } from 'element-ui'
// import store from '@/store'
// import { getToken } from '@/utils/auth'

// // create an axios instance
// const service = axios.create({
//   baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
//   // withCredentials: true, // send cookies when cross-domain requests
//   timeout: 5000 // request timeout
// })

// // request interceptor
// service.interceptors.request.use(
//   config => {
//     // do something before request is sent

//     if (store.getters.token) {
//       // let each request carry token
//       // ['X-Token'] is a custom headers key
//       // please modify it according to the actual situation
//       config.headers['X-Token'] = getToken()
//     }
//     return config
//   },
//   error => {
//     // do something with request error
//     console.log(error) // for debug
//     return Promise.reject(error)
//   }
// )

// // response interceptor
// service.interceptors.response.use(
//   /**
//    * If you want to get http information such as headers or status
//    * Please return  response => response
//   */

//   /**
//    * Determine the request status by custom code
//    * Here is just an example
//    * You can also judge the status by HTTP Status Code
//    */
//   response => {
//     const res = response.data

//     // if the custom code is not 20000, it is judged as an error.
//     if (res.code !== 20000) {
//       Message({
//         message: res.message || 'Error',
//         type: 'error',
//         duration: 5 * 1000
//       })

//       // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
//       if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
//         // to re-login
//         MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
//           confirmButtonText: 'Re-Login',
//           cancelButtonText: 'Cancel',
//           type: 'warning'
//         }).then(() => {
//           store.dispatch('user/resetToken').then(() => {
//             location.reload()
//           })
//         })
//       }
//       return Promise.reject(new Error(res.message || 'Error'))
//     } else {
//       return res
//     }
//   },
//   error => {
//     console.log('err' + error) // for debug
//     Message({
//       message: error.message,
//       type: 'error',
//       duration: 5 * 1000
//     })
//     return Promise.reject(error)
//   }
// )

